HttpWebRequest使用

  protected void Page_Load(object sender, EventArgs e)
    {
    string aa= httpRequest("http://www.baidu.com");
      
    }
    //httP请求
    public static string httpRequest(string url)
    {
        WebRequest req = WebRequest.Create(url);
        WebResponse res = req.GetResponse();    // GetResponse blocks until the response arrives
        Stream ReceiveStream = res.GetResponseStream();    // Read the stream into a string
        StreamReader sr = new StreamReader(ReceiveStream);
        string resultstring = sr.ReadToEnd();
        return resultstring;
    }

(摘自:http://www.cnblogs.com/tuyile006/archive/2008/11/14/1333632.html)